The Attenuator,fixed, cataloged under National Stock Number 5985-01-249-1877, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-249-1877 |
| Primary Part Number | G307739-2 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Voltage Standing Wave Ratio | 1.20 AND 1.30 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 20.0 |
| Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR |
| Coaxial Connector Series Designation | N |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| G307739-2 | Raytheon Company (USA) |
| MDC91122C-20 | Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA) |
| 8491AOPTION20,OPTION890 | Keysight Technologies Inc (USA) |
| G307739-2 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 8491AOPTION20,OPTION890 | 5/9 Secondary reference Keysight Technologies, Inc. |
| 8491AOPTION20,OPTION890 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| G307739-2 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5985-01-249-1877 is a Attenuator,fixed, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-249-1877 has 4 manufacturer part numbers on file: G307739-2 (Raytheon Company), MDC91122C-20 (Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc), 8491AOPTION20,OPTION890 (Keysight Technologies Inc), G307739-2 (Raytheon Company Dba Raytheon Co).
Key specifications for G307739-2: Frequency Range: 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Voltage Standing Wave Ratio: 1.20 AND 1.30; Mounting Method: CONNECTOR. 10 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.